GeForce GTS 450 vs Radeon R9 270X

Intro

Compare that to the Radeon R9 270X, which makes use of a 28 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 RAM works at a speed of 1400 MHz on this particular model. It features 1280 SPUs along with 80 TAUs and 32 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 270X		6590 points
GeForce GTS 450		1453 points
	Difference: 5137 (354%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450		106 Watts
Radeon R9 270X		180 Watts
	Difference: 74 Watts (70%)

Memory Bandwidth

As far as performance goes, the Radeon R9 270X should theoretically be quite a bit better than the GeForce GTS 450 in general. (explain)

Radeon R9 270X		179200 MB/sec
GeForce GTS 450		57728 MB/sec
	Difference: 121472 (210%)

Texel Rate

The Radeon R9 270X should be quite a bit (about 219%) faster with regards to texture filtering than the GeForce GTS 450. (explain)

Radeon R9 270X		80000 Mtexels/sec
GeForce GTS 450		25056 Mtexels/sec
	Difference: 54944 (219%)

Pixel Rate

The Radeon R9 270X is much (about 155%) faster with regards to anti-aliasing than the GeForce GTS 450, and also will be able to handle higher screen resolutions better. (explain)

Radeon R9 270X		32000 Mpixels/sec
GeForce GTS 450		12528 Mpixels/sec
	Difference: 19472 (155%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be transferred past the external memory interface in one second. It's worked out by multiplying the interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.